Certified Quality Engineer Interview Question:

What is Bottom Up Approach in Quality Engineer?

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The bottom up approach testing approach is carried out with the help of the test driver. The test driver calls a component to be tested. The modules in the lower level of call hierarchy are tested independently. Then the next level modules are tested that call previously tested modules. This is done repeatedly until all the modules are included in the testing. Bottom up testing stops when the top module in the call hierarchy is tested with all lower call hierarchy modules.
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